209940642

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{507103}}^1$

素因数の和:507134

約数の個数: 24

約数和(自身を含む): 474649344

約数和(自身を除く): 264708702

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 507103, 1014206, 1521309, 3042618, 4563927, 9127854, 11663369, 23326738, 34990107, 69980214, 104970321, 209940642]

約数ペア:

[(1, 209940642), (2, 104970321), (3, 69980214), (6, 34990107), (9, 23326738), (18, 11663369), (23, 9127854), (46, 4563927), (69, 3042618), (138, 1521309), (207, 1014206), (414, 507103)]